Finding the Third Proportional to 7,120.13 and 10,680.19
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Solution
The third proportional to 7,120.13 and 10,680.19 is: 16,020.28
Step by Step Solution
- Step 1: Write the proportion equation
7,120.13 : 10,680.19 = 10,680.19 : x - Step 2: Convert to fraction form
7,120.13/10,680.19 = 10,680.19/x - Step 3: Cross multiply
7,120.13x = 10,680.19 × 10,680.19 - Step 4: Simplify right side
7,120.13x = 114,066,405.04 - Step 5: Solve for x
x = 114,066,405.04/7,120.13 - Step 6: Final answer
x = 16,020.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.